abatiqueofficial abatiqueofficial

10-02-2021
Mathematics

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232. Сколько решений имеет уравнение | х + 3 | -один?

Respuesta :

SvetlanaM SvetlanaM

18-02-2021

Answer: уравнение имеет 2 решения:

x₁ = - 4; x₂ = - 2.

Step-by-step explanation:

Ix + 3I = 1

1) x + 3 = 1

x + 3 - 3 = 1 - 3

x = -2

2) - (x + 3) = 1

x + 3 = - 1

x + 3 - 3 = - 1 - 3

x = - 4

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